<?php
/*
 * 根据用户提交的(swf/html)地址，获取优酷，土豆的swf播放地址
 * */
function _getSwf ($url = '') {
	if(isset($url) && !empty($url)){
		preg_match_all('/http:\/\/(.*?)?\.(.*?)?\.com\/(.*)/',$url,$types);
	}else{
		return false;
	}
	$type = $types[2][0];
	$domain = $types[1][0];
	$isswf = strpos($types[3][0], 'v.swf') === false ? false : true;
	$method = substr($types[3][0],0,1);
	switch ($type){
		case 'youku' :
			if( $domain == 'player' ) {
				$swf = $url;
			}else if( $domain == 'v' ) {
				preg_match_all('/http:\/\/v\.youku\.com\/v_show\/id_(.*)?\.html/',$url,$url_array);
				$swf = 'http://player.youku.com/player.php/sid/'.str_replace('/','',$url_array[1][0]).'/v.swf';
			}else{
				$swf = $url;
			}
			break;
		case 'tudou' :
			if($isswf){
				$swf = $url;
			}else{
				$method = $method == 'p' ? 'v' : $method ;
				preg_match_all('/http:\/\/www.tudou\.com\/(.*)?\/(.*)?/',$url,$url_array);
				$str_arr = explode('/',$url_array[1][0]);
				$count = count($str_arr);
				if($count == 1) {
					$id = explode('.',$url_array[2][0]);
				}else if($count == 2){
					$id = $str_arr[1];
				}else if($count == 3){
					$id = $str_arr[2];
				}
				$swf = 'http://www.tudou.com/'.$method.'/'.$id.'/v.swf';
			}
			break;
		case 'ku6':
			if($isswf){
				$swf = $url;
			}else{
				$method = 'refer';
				preg_match_all('/http:\/\/v.ku6\.com\/(.*)?\/(.*)?/',$url,$url_array);
				$str_arr = explode('/',$url_array[1][0]);
				$count = count($str_arr);
				if($count == 1) {
					$id = explode('.',$url_array[2][0]);
				}else if($count == 2){
					$id = $str_arr[1];
				}else if($count == 3){
					$id = $str_arr[2];
				}
				if (is_array($id))
				{
					$id = $id[0];
				}
				$swf = 'http://player.ku6.com/'.$method.'/'.$id.'/v.swf';
			}
			break;
		case '56':
			if($isswf){
				$swf = $url;
			}else{
				preg_match_all('/http:\/\/www.56\.com\/(.*)?\/(.*)?/',$url,$url_array);
				$str_arr = explode('/',$url_array[1][0]);
				$count = count($str_arr);
				if($count == 1) {
					$id = explode('.',$url_array[2][0]);
				}else if($count == 2){
					$id = $str_arr[1];
				}else if($count == 3){
					$id = $str_arr[2];
				}
				if (is_array($id))
				{
					$id = $id[0];
				}
				$swf = 'http://player.56.com/'.$id.'.swf';
			}
			break;
		default :
			$swf = $url;
			break;
	}
	return $swf;
}